Shane Posted May 16, 2011 Share Posted May 16, 2011 I have an 89 Mj 4x4 auto. with the column shift. I did not like the idiot lights and wanted a tach, so I performed the swap to the gauge cluste with the needles and a tach. Switched the sendin units out so the needles will work. Now on to the problem: My tachometer does not work at all. What is the problem? What can I do to fix it? Is there something I'm missing? The only thing that I see that plugs in are the 2 units that snaps in the back and the speedo cable. Any Help and Advice is Very Appreciated. Link to comment Share on other sites More sharing options...
pamike Posted May 16, 2011 Share Posted May 16, 2011 the only thing i can think of, is the cluster out of a jeep with the same engine? do you know for sure the cluster is in working condition and not broken? and do the connections in the back have good contact. other than that i don't know. mine was plug and play Link to comment Share on other sites More sharing options...
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